Mb. In June 2019 Everspin Technologies started pilot production for 28 nm 1 Gb STT-MRAM chips. In December 2019 Intel demonstrated STT-MRAM for L4-cache Other companies working on STT-RAM include Avalanche Technology, Crocus Technology and Spin Transfer Technologies. See also Magnetoresistive RAM Spin (physics) Memristor Spintronics References External links Spin torque applet J.C. Slonczewski:"Current-driven excitation of magnetic multilayers(1996)", Journal of magnetism and magnetic materials volume 159, issues 1-2, June 1996, pages L1-L7 Spintronics